569 lines
21 KiB
Java
569 lines
21 KiB
Java
/*Drew Schuster
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dtschust
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ECE462
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*/
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package com.github.dtschust.zork;
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import com.github.dtschust.zork.parser.ZorkGame;
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import com.github.dtschust.zork.parser.ZorkReader;
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import java.util.HashMap;
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import java.util.Scanner;
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/* And away we go*/
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public class Zork {
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public String userInput;
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public String currentRoom;
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public ZorkGame game;
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Scanner source = new Scanner(System.in);
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public Zork(String filename) {
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ZorkReader reader = new ZorkReader(filename);
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game = reader.build();
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/*Phew, we're finally done with that ... let's get playing!!*/
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/* Some temporary initialization variables*/
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currentRoom = "Entrance";
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boolean ended = false;
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/* Print out the first entrance description, starting the game!*/
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System.out.println(game.Rooms.get(currentRoom).description);
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/* There is no stopping in Zork, until we're done!!*/
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do {
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userInput = source.nextLine();
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/*Now that we have the user command, check the input*/
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if (!executeTriggers()) {
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/* If we haven't skipped, perform the user action*/
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ended = executeAction(userInput);
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/* Clear the user input, and check the triggers again (various states have changed, gnomes need to be found!*/
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userInput = "";
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executeTriggers();
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}
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} while (!ended);
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// single point of termination
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System.exit(0);
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}
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/* I love how basic java main functions are sometimes.*/
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public static void main(String[] args) {
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if (args.length != 1) {
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System.out.println("Usage: java Zork [filename]");
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return;
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}
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new Zork(args[0]);
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}
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public boolean executeAction(String input) {
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String[] action = input.split(" ");
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/* Update: figure out what type of item it is, and then change it's status*/
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if (action[0].equals("Update")) {
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doActionUpdate(action[1], action[3]);
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}
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/*Game Over: pretty straight forward*/
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else if (input.equals("Game Over")) {
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return doActionGameWon();
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}
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/* Add: figure out what type the destination is, then what type the object is. Then add object to destination if it makes sense */
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else if (action[0].equals("Add")) {
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doActionAdd(action[1], action[3]);
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}
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/* Delete: figure out what object it is and delete it accordingly. Rooms are especially tricky */
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else if (action[0].equals("Delete")) {
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doActionDelete(action[1]);
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}
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/*If it's not a "Special Action", just treat it normally */
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/* Execute a user action or an action command from some <action> element that is not one of the "Special Commands"*/
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/* Movement */
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else if (action[0].length() == 1 && "nswe".contains(action[0])) {
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doActionMove(action[0]);
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}
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/* Inventory */
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else if (action[0].equals("i")) {
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doActionInventory();
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}
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/* Take */
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else if (action[0].equals("take") && action.length > 1) {
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doActionTake(action[1]);
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}
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/* Open Exit (you should be so lucky)*/
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else if (input.equals("open exit")) {
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return doActionOpenExit();
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}
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/* Open a container */
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else if (action[0].equals("open") && action.length > 1) {
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doActionOpenContainer(action[1]);
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}
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/* Read an object */
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else if (action[0].equals("read") && action.length > 1) {
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doActionReadObject(action[1]);
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}
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/* Drop an item*/
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else if (action[0].equals("drop") && action.length > 1) {
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doActionDropItem(action[1]);
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}
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/* Put an item somewhere */
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else if (action[0].equals("put") && action.length >= 4) {
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doActionPutItem(action[1], action[3]);
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}
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/* Turn on an item*/
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else if (input.startsWith("turn on") && action.length >= 3) {
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doActionTurnOn(action[2]);
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}
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/* Attempt an attack, you feeling lucky?*/
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else if (action[0].equals("attack") && action.length >= 4) {
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doActionAttack(action[1], action[3]);
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}
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/* Invalid command*/
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else System.out.println("Error");
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return false;
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}
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private boolean doActionGameWon() {
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System.out.println("Victory!");
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return true;
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}
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private void doActionAdd(String object, String destination) {
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String objectType;
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objectType = game.ObjectLookup.get(object);
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String destinationType = game.ObjectLookup.get(destination);
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if (destinationType.equals("room")) {
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ZorkRoom tempRoom = game.Rooms.get(destination);
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if (objectType.equals("item"))
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tempRoom.item.put(object, object);
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else if (objectType.equals("creature"))
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tempRoom.creature.put(object, object);
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else if (objectType.equals("container"))
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tempRoom.container.put(object, object);
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else
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System.out.println("Error");
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game.Rooms.put(tempRoom.name, tempRoom);
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} else if (destinationType.equals("container")) {
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ZorkContainer tempContainer = game.Containers.get(destination);
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if (objectType.equals("item"))
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tempContainer.item.put(object, object);
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else
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System.out.println("Error");
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game.Containers.put(tempContainer.name, tempContainer);
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} else {
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System.out.println("Error");
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}
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}
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private void doActionDelete(String object) {
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String objectType;
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objectType = game.ObjectLookup.get(object);
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game.Objects.remove(object);
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if (objectType.equals("room")) {
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for (String key : game.Rooms.keySet()) {
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ZorkRoom tempRoom = game.Rooms.get(key);
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for (String key2 : tempRoom.border.keySet()) {
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if (tempRoom.border.get(key2).equals(object)) {
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tempRoom.border.remove(key2);
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}
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}
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game.Rooms.put(tempRoom.name, tempRoom);
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}
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} else if (objectType.equals("item")) {
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for (String key : game.Rooms.keySet()) {
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ZorkRoom tempRoom = game.Rooms.get(key);
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if (tempRoom.item.get(object) != null) {
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tempRoom.item.remove(object);
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game.Rooms.put(tempRoom.name, tempRoom);
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}
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}
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for (String key : game.Containers.keySet()) {
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ZorkContainer tempContainer = game.Containers.get(key);
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if (tempContainer.item.get(object) != null) {
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tempContainer.item.remove(object);
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game.Containers.put(tempContainer.name, tempContainer);
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}
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}
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} else if (objectType.equals("container")) {
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for (String key : game.Rooms.keySet()) {
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ZorkRoom tempRoom = game.Rooms.get(key);
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if (tempRoom.container.get(object) != null) {
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tempRoom.container.remove(object);
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game.Rooms.put(tempRoom.name, tempRoom);
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}
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}
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} else if (objectType.equals("creature")) {
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for (String key : game.Rooms.keySet()) {
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ZorkRoom tempRoom = game.Rooms.get(key);
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if (tempRoom.creature.get(object) != null) {
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tempRoom.creature.remove(object);
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game.Rooms.put(tempRoom.name, tempRoom);
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}
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}
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}
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}
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private void doActionUpdate(String object, String newStatus) {
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String objectType;
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objectType = game.ObjectLookup.get(object);
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if (objectType.equals("room")) {
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ZorkRoom tempRoom = game.Rooms.get(object);
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tempRoom.status = newStatus;
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game.Rooms.put(tempRoom.name, tempRoom);
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} else if (objectType.equals("container")) {
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ZorkContainer tempContainer = game.Containers.get(object);
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tempContainer.status = newStatus;
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game.Containers.put(tempContainer.name, tempContainer);
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} else if (objectType.equals("creature")) {
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ZorkCreature tempCreature = game.Creatures.get(object);
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tempCreature.status = newStatus;
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game.Creatures.put(tempCreature.name, tempCreature);
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} else if (objectType.equals("item")) {
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ZorkItem tempItem = game.Items.get(object);
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tempItem.status = newStatus;
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game.Items.put(tempItem.name, tempItem);
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}
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}
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private void doActionAttack(String tempString, String weapon) {
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ZorkCreature tempCreature;
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if (game.Rooms.get(currentRoom).creature.get(tempString) != null) {
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tempCreature = game.Creatures.get(tempString);
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if (tempCreature != null && game.Inventory.get(weapon) != null) {
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if (tempCreature.attack(this, weapon)) {
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System.out.println("You assault the " + tempString + " with the " + weapon + ".");
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for (String print: tempCreature.print) {
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System.out.println(print);
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}
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for (String action: tempCreature.action) {
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executeAction(action);
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}
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return;
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}
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}
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}
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System.out.println("Error");
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}
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private void doActionTurnOn(String tempString) {
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if (game.Inventory.get(tempString) != null) {
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ZorkItem tempItem = game.Items.get(tempString);
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System.out.println("You activate the " + tempString + ".");
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if (tempItem != null) {
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for (String print: tempItem.turnOnPrint) {
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System.out.println(print);
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}
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for (String action: tempItem.turnOnAction) {
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executeAction(action);
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}
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return;
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}
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}
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System.out.println("Error");
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}
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private void doActionPutItem(String tempString, String destination) {
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if (game.Rooms.get(currentRoom).container.get(destination) != null && game.Containers.get(destination).isOpen && game.Inventory.get(tempString) != null) {
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ZorkContainer tempContainer = game.Containers.get(destination);
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tempContainer.item.put(tempString, tempString);
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game.Inventory.remove(tempString);
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System.out.println("Item " + tempString + " added to " + destination + ".");
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} else {
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System.out.println("Error");
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}
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}
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private void doActionDropItem(String tempString) {
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if (game.Inventory.get(tempString) != null) {
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ZorkRoom tempRoom = game.Rooms.get(currentRoom);
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tempRoom.item.put(tempString, tempString);
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game.Rooms.put(tempRoom.name, tempRoom);
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game.Inventory.remove(tempString);
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System.out.println(tempString + " dropped.");
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} else {
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System.out.println("Error");
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}
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}
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private void doActionReadObject(String tempString) {
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if (game.Inventory.get(tempString) != null) {
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ZorkItem tempItem = game.Items.get(tempString);
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if (tempItem.writing != null && tempItem.writing != "") {
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System.out.println(tempItem.writing);
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} else {
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System.out.println("Nothing written.");
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}
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} else {
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System.out.println("Error");
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}
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}
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private void doActionOpenContainer(String tempString) {
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ZorkContainer tempContainer;
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String found = game.Rooms.get(currentRoom).container.get(tempString);
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if (found != null) {
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tempContainer = game.Containers.get(tempString);
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tempContainer.isOpen = true;
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doActionContainerInventory(tempContainer.item, tempString);
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} else {
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System.out.println("Error");
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}
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}
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private boolean doActionOpenExit() {
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if (game.Rooms.get(currentRoom).type.equals("exit")) {
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System.out.println("Game Over");
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return true;
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}
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System.out.println("Error");
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return false;
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}
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/*Basic movement function */
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private void doActionMove(String direction) {
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String fullDirection = "";
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if (direction.equals("n")) {
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fullDirection = "north";
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} else if (direction.equals("s")) {
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fullDirection = "south";
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} else if (direction.equals("e")) {
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fullDirection = "east";
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} else if (direction.equals("w")) {
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fullDirection = "west";
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}
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String destination = (game.Rooms.get(currentRoom)).border.get(fullDirection);
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if (destination != null) {
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currentRoom = destination;
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System.out.println(game.Rooms.get(currentRoom).description);
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} else {
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System.out.println("Can't go that way.");
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}
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}
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/* Print out the what's in a container when it's been opened*/
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public void doActionContainerInventory(HashMap<String, String> Container, String Name) {
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String output = "";
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if (Container.isEmpty()) {
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System.out.println(Name + " is empty");
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} else {
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System.out.print(Name + " contains ");
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for (String key : Container.keySet()) {
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output += key + ", ";
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}
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output = output.substring(0, output.length() - 2);
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System.out.println(output + ".");
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}
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}
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/* Print out the inventory when user types i */
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private void doActionInventory() {
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String output = "Inventory: ";
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if (game.Inventory.isEmpty()) {
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System.out.println("Inventory: empty");
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} else {
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for (String key : game.Inventory.keySet()) {
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output += key + ", ";
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}
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output = output.substring(0, output.length() - 2);
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System.out.println(output);
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}
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}
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private void doActionTake(String tempString) {
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if ((game.Rooms.get(currentRoom)).item.get(tempString) != null) {
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game.Inventory.put(tempString, tempString);
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ZorkRoom tempRoom = (game.Rooms.get(currentRoom));
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tempRoom.item.remove(tempString);
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game.Rooms.put(tempRoom.name, tempRoom);
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System.out.println("Item " + tempString + " added to inventory.");
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} else {
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/*Search all containers in the current room for the item!*/
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boolean found = false;
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for (String key : game.Rooms.get(currentRoom).container.keySet()) {
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ZorkContainer tempContainer = game.Containers.get(key);
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if (tempContainer != null && tempContainer.isOpen && tempContainer.item.get(tempString) != null) {
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game.Inventory.put(tempString, tempString);
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tempContainer.item.remove(tempString);
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game.Containers.put(tempContainer.name, tempContainer);
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System.out.println("Item " + tempString + " added to inventory.");
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found = true;
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break;
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}
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}
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if (!found)
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System.out.println("Error");
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}
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}
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/* Check triggers */
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public boolean executeTriggers() {
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/*Variable initialization*/
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boolean skip = false;
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/*Check Room triggers*/
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skip = skip || doTriggersRoom();
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/* Check items in the containers in the room */
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skip = skip || doTriggersItemsInContainersInRoom();
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/* Check all containers in the room*/
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skip = skip || doTriggersContainersInRoom();
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/* Check all creatures in the room */
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skip = skip || doTriggersCreaturesInRoom();
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/* Check items in inventory */
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skip = skip || doTriggersItemsInInventory();
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/* Check items in room */
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skip = skip || doTriggersItemsInRoom();
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return skip;
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}
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private boolean doTriggersContainersInRoom() {
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boolean skip = false;
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for (String key : game.Rooms.get(currentRoom).container.keySet()) {
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ZorkContainer tempContainer = game.Containers.get(key);
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for (int x = 0; x < tempContainer.trigger.size(); x++) {
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ZorkTrigger tempTrigger = tempContainer.trigger.get(x);
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if (tempTrigger.evaluate(this)) {
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for (String print: tempTrigger.print) {
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System.out.println(print);
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}
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for (String action: tempTrigger.action) {
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executeAction(action);
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}
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skip = skip || tempTrigger.hasCommand;
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if (tempTrigger.type.equals("single")) {
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tempContainer.trigger.remove(x);
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}
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}
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}
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}
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return skip;
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}
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private boolean doTriggersItemsInContainersInRoom() {
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boolean skip = false;
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for (String key : game.Rooms.get(currentRoom).container.keySet()) {
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ZorkContainer tempContainer = game.Containers.get(key);
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for (String key2 : tempContainer.item.keySet()) {
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ZorkItem tempItem = game.Items.get(key2);
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for (int x = 0; x < tempItem.trigger.size(); x++) {
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ZorkTrigger tempTrigger = tempItem.trigger.get(x);
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if (tempTrigger.evaluate(this)) {
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for (String print : tempTrigger.print) {
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System.out.println(print);
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}
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for (String action : tempTrigger.action) {
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executeAction(action);
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}
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skip = skip || tempTrigger.hasCommand;
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if (tempTrigger.type.equals("single")) {
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tempItem.trigger.remove(x);
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}
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}
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}
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}
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}
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return skip;
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}
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private boolean doTriggersItemsInRoom() {
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boolean skip = false;
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for (String key : game.Rooms.get(currentRoom).item.keySet()) {
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ZorkItem tempItem = game.Items.get(key);
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for (int x = 0; x < tempItem.trigger.size(); x++) {
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ZorkTrigger tempTrigger = tempItem.trigger.get(x);
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if (tempTrigger.evaluate(this)) {
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for (String print: tempTrigger.print) {
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System.out.println(print);
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}
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for (String action: tempTrigger.action) {
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executeAction(action);
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}
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skip = skip || tempTrigger.hasCommand;
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if (tempTrigger.type.equals("single")) {
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tempItem.trigger.remove(x);
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}
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}
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}
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}
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return skip;
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}
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private boolean doTriggersItemsInInventory() {
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boolean skip = false;
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for (String key : game.Inventory.keySet()) {
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ZorkItem tempItem = game.Items.get(key);
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for (int x = 0; x < tempItem.trigger.size(); x++) {
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ZorkTrigger tempTrigger = tempItem.trigger.get(x);
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if (tempTrigger.evaluate(this)) {
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for (String print: tempTrigger.print) {
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System.out.println(print);
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}
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for (String action: tempTrigger.action) {
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executeAction(action);
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|
}
|
|
skip = skip || tempTrigger.hasCommand;
|
|
if (tempTrigger.type.equals("single")) {
|
|
tempItem.trigger.remove(x);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return skip;
|
|
}
|
|
|
|
private boolean doTriggersCreaturesInRoom() {
|
|
boolean skip = false;
|
|
for (String key : game.Rooms.get(currentRoom).creature.keySet()) {
|
|
ZorkCreature tempCreature = game.Creatures.get(key);
|
|
for (int x = 0; x < tempCreature.trigger.size(); x++) {
|
|
ZorkTrigger tempTrigger = tempCreature.trigger.get(x);
|
|
if (tempTrigger.evaluate(this)) {
|
|
for (String print: tempTrigger.print) {
|
|
System.out.println(print);
|
|
}
|
|
for (String action: tempTrigger.action) {
|
|
executeAction(action);
|
|
}
|
|
skip = skip || tempTrigger.hasCommand;
|
|
if (tempTrigger.type.equals("single")) {
|
|
tempCreature.trigger.remove(x);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return skip;
|
|
}
|
|
|
|
private boolean doTriggersRoom() {
|
|
boolean skip = false;
|
|
for (int x = 0; x < game.Rooms.get(currentRoom).trigger.size(); x++) {
|
|
ZorkTrigger tempTrigger = game.Rooms.get(currentRoom).trigger.get(x);
|
|
if (tempTrigger.evaluate(this)) {
|
|
for (String print: tempTrigger.print) {
|
|
System.out.println(print);
|
|
}
|
|
for (String action: tempTrigger.action) {
|
|
executeAction(action);
|
|
}
|
|
skip = skip || tempTrigger.hasCommand;
|
|
if (tempTrigger.type.equals("single")) {
|
|
game.Rooms.get(currentRoom).trigger.remove(x);
|
|
}
|
|
}
|
|
}
|
|
return skip;
|
|
}
|
|
|
|
}
|